These are:Ĭredibility - Results are credible, or believable Consequently, it doesn’t make sense to be concerned with the “truth” or “falsity” of an observation with respect to an external reality (which is a primary concern of validity).Īlternatively, Guba and Lincoln offered four criteria for researchers to simulate the objectives of validity and reliability for qualitative research. They reject the basic realist assumption that their is a reality external to our perception of it. According to Trochim:ĭepending on their philosophical perspectives, some qualitative researchers reject the framework of validity that is commonly accepted in more quantitative research in the social sciences. In other words, the extent to which a research instrument consistently has the same results if it is used in the same situation on repeated occasions.įor qualitative, the argument is that validity and reliability do not necessarily apply to one’s perception of reality. Reliability the accuracy of an instrument. Validity is defined as the extent to which a concept is accurately measured in a quantitative study.
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